APA (7th ed.) Zitazioa
Gill, D. W. (1986). Peter the rock: Extraordinary insights from an ordinary man. InterVarsity Press.
Chicago Style (17th ed.) Zitazioa
Gill, David W. Peter the Rock: Extraordinary Insights from an Ordinary Man. Downers Grove, Ill.: InterVarsity Press, 1986.
MLA (9th ed.) Zitazioa
Gill, David W. Peter the Rock: Extraordinary Insights from an Ordinary Man. InterVarsity Press, 1986.
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